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Concerning major postoperative complications, there was a significant positive correlation between the number of aberrant values of CI and anastomotic leakage. Discussion The hemodynamic change by employing the FloTrac system could predicts the complication of anastomotic leakage after esophagectomy. Adequate management of hemodynamic stability by utilizing it will reduce the complications of anastomotic leakage. J. STC-15 ic50 Med. Invest. 67 240-245, August, 2020.Purpose  We investigated the cognitive function, behavioral and psychological symptoms of dementia (BPSD), and activities of daily living (ADLs) of elderly individuals admitted in care facilities. Moreover, the factors affecting the care burden experienced by facility staffs were examined. Method  24 care facilities for elderly individuals participated in the study. The Revised Hasegawa Dementia Scale (HDS-R), Japanese version of the Neuropsychiatric Inventory (NPI), and Crichton Geriatric Behavioral Rating Scale (CGBRS) were used to evaluate cognitive function, BPSD, and ADL, respectively. The short Japanese version of the Zarit Burden Interview was used to assess the care burden. A multiple regression analysis was conducted with data obtained from 464 elderly individuals who fulfilled all the scales. Results  The care burden was correlated to the scores of HDS-R, but not with those of dysphoria/depression and disinhibition of NPI, restlessness of CGBRS, and subjective mood of CGBRS (R2 = 0.309, p  less then  0.005). Conclusion  Dysphoria/depression, disinhibition, restlessness, and subjective mood, but not cognitive decline, have an effect on the care burden experienced by facility staffs who manage elderly individuals. These results indicated that the appropriate diagnosis and treatment of BPSD are important in reducing the burden of facility staffs. J. Med. Invest. 67 236-239, August, 2020.Arteriovenous malformations (AVMs) are hemorrhagic vascular diseases in which arteries and veins are directly connected with no capillary bed between the two. We herein introduce the results of basic research of this disease and surgical techniques based on our data and experiences. The results obtained from our research show that cell death- and inflammation-related molecules changed or became activated compared with control specimens. These findings indicate that chronic inflammation occurs in and around the nidus of AVMs. Various molecules are involved in the mechanisms of cell death and angiogenesis during this process. Confirmation of blood flow in the nidus is very important to avoid hemorrhagic complications during surgical removal of the nidus. The risk of hemorrhage increases when the blood flow in the nidus is not reduced. We reported the advantages of serial indocyanine green videoangiography, which is used to assess the blood flow during AVM nidus removal. Since publication of the ARUBA trial and Scottish Audit, treatments with high morbidity have not been allowed. It is especially important for neurosurgeons to treat low Spetzler-Martin grade AVMs with low morbidity. J. Med. Invest. 67 222-228, August, 2020.Osteochondritis dissecans (OCD) of the capitellum is a leading cause of elbow disability in adolescent baseball players. Previous studies have not found an association of player position with capitellar OCD. Elbow pain and a longer playing history might be related to progression of capitellar OCD but do not in themselves increase the risk of development of the condition. The cause of capitellar OCD is likely to include a combination of repetitive microtrauma and internal factors, such as ischemia and genetic predisposition. A combination of radiography, computed tomography, magnetic resonance imaging, and ultrasonography have aided our understanding of the pathology of capitellar OCD. Screening using ultrasonography enables early detection and provides an opportunity for successful conservative treatment. Treatment has conventionally included both operative and nonoperative measures based on the stage and size of the lesion, skeletal maturity, subjective symptoms, and structural integrity of the cartilage. Early-stage lesions respond better to nonoperative treatment than those in more advanced stages. Operative indications include persistent symptoms despite nonoperative treatment, symptomatic loose bodies, and displacement or detachment of fragments. J. Med. Invest. 67 217-221, August, 2020.Osteoporosis (OP) is increasingly becoming one of a major health concerns all over the world. However, the limitations of current therapeutic drugs for OP are including considerable side effects and low efficacy. Therefore, it is required to develop new therapeutic drugs for OP. This study aimed to investigate the role of hsa_circ_0002060 in the regulation of osteoporosis. Osteoblast cells (hFOB 1.19) were transfected with hsa_circ_0002060 small interfering RNA (siRNA), following by stimulated with dexamethasone (DEX) to mimic OP in vitro. Cell counting kit-8, apoptosis, and JC-1 mitochondrial membrane potential assays were used to evaluate the cell viability, apoptosis, and mitochondrial membrane potential, respectively. Western blot was conducted to detect the expression of proteins. In addition, the levels of reactive oxygen species, superoxide dismutase, glutathione and malondialdehyde were measured with enzyme-linked immunosorbent assay (ELISA). The putative target of hsa_circ_0002060 was verified by dual luciferase reporter assay and RNA pull down. At last, the role of hsa_circ_0002060 in the progression of OP was investigated with an ovariectomy (OVX)-induced OP mouse model. The results indicated DEX could induce cell viability decline in hFOB 1.19 cells, which was ameliorated by hsa_circ_0002060 knockdown. Consistently, DEX-induced cell apoptosis of hFOB 1.19 was ameliorated by hsa_circ_0002060 knockdown as well. As for the underlying mechanisms study, hsa_circ_0002060 was proved to regulate the viability of hFOB 1.19 cells through targeting miR-198-5p/Bax axis. Additionally, hsa_circ_0002060 knockdown alleviated ovariectomy-induced OP in a mouse model. Taken together, hsa_circ_0002060 knockdown alleviated the progression of OP by targeting miR-198-5p. Hsa_circ_0002060 might possibly be served as a therapeutic target for treating OP.